Brown Postal Mailing Boxes 30 x 30 x 30 cm
Brown Postal Mailing Boxes 30 x 30 x 30 cm
These heavy-duty brown postal mailing boxes provide robust protection for shipping and storing fragile or medium-sized items. Constructed with two layers of corrugated cardboard made from 125 gsm sheets, they offer superior crush resistance and lasting structural integrity throughout transit.
Featuring an easy-to-assemble flat-pack design, these boxes optimize storage space and help reduce postal costs. They are crafted from 100% recyclable, eco-friendly materials, making them a sustainable packaging solution for warehouses and demanding supply chain applications.
Key Features
| Product Type | Postal Mailing Box |
| Material | 100% Corrugated Cardboard (125 gsm sheets) |
| Wall Type | Double Wall |
| Wall Thickness | 6 - 7 mm |
| Colour | Brown |
| Internal Dimensions | 30 x 30 x 30 cm |
| Recyclable | Yes (100% Recyclable) |
Highlights
- 12″ x 12″ x 12″ (approx. 300 x 300 x 300 mm) brown flat mailing box
- Box dimensions are based on internal dimensions (L x W x H)
- Box wall thickness between 6 and 7 mm, made from 125gsm cardboard sheets
- Double wall: robust and durable
- Easy to assemble
- Lightweight construction
- Made from superior quality raw materials
- Sustainable: 100% recyclable
Materials & care
Store flat in a dry, covered indoor area away from moisture and direct water contact to maintain structural integrity.
How to use
Fold along the pre-scored creases to assemble the box into shape, secure the bottom flaps with standard packaging tape, insert items with appropriate cushioning, and seal the top flaps securely before dispatch.
Frequently asked questions
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